package lab02.test37;

/**
 * Created by 星月 on 2017/11/20.
 */
public abstract class Student {
    String name;
    String type;
    double[]scores=new double[3];
    String grade;
    double calAverage(){

        return (scores[0]+scores[1]+scores[2])/3;
    }
    abstract String calGrade();
}
